 /* 按钮 */
 .btn_more{
    margin-left: 11%;
    margin-top: 7px;
    background-color: #409EFF;
    color: white;
    border-radius: 6px;
    font-size: 14px;
    padding: 3px 30%;
    text-shadow:5px 2px 6px #000; 
  }